80 lines
2.3 KiB
Java
80 lines
2.3 KiB
Java
/*
|
|
* Copyright (C) 2013 The CyanogenMod Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package org.cyanogenmod.hardware;
|
|
|
|
import org.cyanogenmod.internal.util.FileUtils;
|
|
|
|
/*
|
|
* Vibrator intensity adjustment
|
|
*
|
|
* Exports methods to get the valid value boundaries, the
|
|
* default and current intensities, and a method to set
|
|
* the vibrator.
|
|
*
|
|
* Values exported by min/max can be the direct values required
|
|
* by the hardware, or a local (to VibratorHW) abstraction that's
|
|
* internally converted to something else prior to actual use. The
|
|
* Settings user interface will normalize these into a 0-100 (percentage)
|
|
* scale before showing them to the user, but all values passed to/from
|
|
* the client (Settings) are in this class' scale.
|
|
*/
|
|
|
|
/* This would be just "Vibrator", but it conflicts with android.os.Vibrator */
|
|
public class VibratorHW {
|
|
|
|
// Keep this synced to immvibe impl
|
|
private static final String INTENSITY_FILE = "/sys/kernel/thunderquake_engine/level";
|
|
|
|
public static boolean isSupported() {
|
|
return true;
|
|
}
|
|
|
|
public static boolean setIntensity(int intensity) {
|
|
return FileUtils.writeLine(INTENSITY_FILE, Integer.toString(intensity));
|
|
}
|
|
|
|
public static int getMaxIntensity() {
|
|
return 7;
|
|
}
|
|
|
|
public static int getMinIntensity() {
|
|
return 0;
|
|
}
|
|
|
|
public static int getWarningThreshold() {
|
|
// actually this is rather arbitrary
|
|
return 7;
|
|
}
|
|
|
|
public static int getCurIntensity() {
|
|
final String result = FileUtils.readOneLine(INTENSITY_FILE);
|
|
if (result == null) {
|
|
return 5;
|
|
}
|
|
|
|
try {
|
|
return Integer.parseInt(result.trim());
|
|
} catch (final NumberFormatException ignored) {
|
|
return 5;
|
|
}
|
|
}
|
|
|
|
public static int getDefaultIntensity() {
|
|
return 5;
|
|
}
|
|
}
|